Co-ordination & Response Quiz
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5 questions, one answer each
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1. What three components are needed for a coordinated response?
- A. Nucleus, cytoplasm, membrane
- B. Stimulus, receptor, effector
- C. Hormone, gland, blood
- D. Neurone, synapse, muscle
2. Which statement correctly compares the nervous and hormonal systems?
- A. The nervous system uses hormones; the hormonal system uses electrical impulses
- B. The nervous system gives fast, short-lived responses; the hormonal system gives slower, longer-lasting responses
- C. Both systems use electrical impulses only
- D. The hormonal system is always faster than the nervous system
3. What happens to a shoot's growth when auxin accumulates on its shaded side?
- A. That side grows more slowly, bending the shoot away from light
- B. That side grows faster, bending the shoot towards the light
- C. Growth stops completely
- D. The shoot grows straight upward regardless
4. A student touches a hot object and withdraws their hand before feeling pain. Which pathway explains this?
- A. A hormonal response via the pancreas
- B. A reflex arc, bypassing conscious thought in the brain
- C. A slow response via the retina
- D. A response controlled entirely by insulin
5. On a hot day, why do blood vessels near the skin surface widen (vasodilation)?
- A. To reduce blood flow and conserve heat
- B. To increase blood flow near the surface, increasing heat loss and cooling the body
- C. To increase sweat production directly
- D. To reduce oxygen delivery to the skin